Asphalt Rubber Technology Information Center
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Connecticut Tests of Rubber Modified Bituminous Concrete Paving Mixtures
The major factor contributing to the need for resurfacing is the aging/hardening of the bituminous binder.  Thus, a general approach to better durability should be
through long-term maintenance of flexibility.  Careful selection of bituminous binder for age stability...
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Eight-Year Performance Evaluation of an ARHM Pavement
In October 1980, the Connecticut DOT placed an experimental 900-ft section of asphalt-rubber hot mix bituminous pavement on state route 79 in Madison, CT.  Finely
ground rubber was supplied by the Arizona Refining Co. and was blended with the asphalt (grade AC-20) in the ratio of...
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Experimental Bituminous Concrete with Ramflex Additive – Route 17, Glastonbury - Interim Report
Interim report on the two-year performance of a hot mix asphalt test using Ramflex additive compared to a control section.  Performance is evaluated based on the
percentage...
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Experimental Bituminous Concrete with Ramflex Additive–Route 17, Glastonbury - Interim Report
Report on the construction and initial performance of a CRM modified hot mix overlay over Portland cement concrete pavement.  Includes costs... Read More

Experimental Bituminous Concrete with Ramflex Additive–Route 17, Glastonbury - Interim Report #2
Interim report on the amount of reflective cracking observed on a bituminous concrete test section with Ramfflex additive compared to a control section... Read More

Installation of A Tire-Sand Inertial Barrier System in Connecticut - Interim Report
The Connecticut DOT, in cooperation with the FHWA, has installed a Tire-Sand Inertial Barrier System at the junction of Routes 2 and 17 in Glastonbury.  This system
utilizes scrap tires as containers for the sand mass and...
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Nine Year Evaluation of Recycled Rubber in Roads - Final Report
Reports on the nine-year performance of an extensive CRM asphalt experimental program.  CRM was incorporated into five different forms of pavement rehabilitation
thick (4cm) and thin (1.5 cm) overlays; chip seals; crack and joint sealing; and stress...
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Nine-Year Condition Survey of Connecticut DOT Experimental Rubber/Asphalt Applications
An executive rubber/asphalt experimental program was undertaken by the State of Connecticut in 1977 with Federal Highway Administration support.   This program
was carried out by the Civil Engineering Department of the University of Connecticut.  This work incorporated ground reclaimed tire rubber in five...
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Performance of a Tire-Sand Inertial Barrier System in Connecticut: Final Report
The Connecticut DOT, in cooperation with the FHWA, has installed a Tire-Sand Inertial Barrier System at the junction of Routes 2 and 17 in Glastonbury.  This system
utilizes scrap tires as containers for the sand mass and supports fabricated form 55-gallon...
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Recycled Rubber in Roads - Final Report
Reports on the construction and three year performance of 46 test sections containing CRM in hot mix asphalt, stress absorbing membrane interlayers, surface
treatments and joint and crack filler that were placed in 1977 and 1978.  The performance has been...
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Six-Year Evaluation of an Asphalt-Rubber Hot Mix Pavement
After six years of service, the asphalt-rubber concrete 1) modified ConnDOT Class 2) mix on Route 79, in Madison, has performed better than the standard Class 2
control mix.  This determination is made on the basis of longitudinal cracking, which is the only distress of significance...
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The Effect of Reclaimed Rubber on Bituminous Paving Mixtures
A Gyratory Testing Machine was used to compare two AC hot mixes with small amounts of powdered and reclaimed rubber to control AC mix without rubber.  The mixes
were tested for their resistance to densification under traffic...
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